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Adhesion and Bonding Characteristics of Preservative-Treated Bamboo (Gigantochloa scortechinii) Laminates

Journal of applied sciences (Asian Network for Scientific Information), 2010-07, Vol.10 (14), p.1435-1441

ISSN: 1812-5654 ;EISSN: 1812-5662 ;DOI: 10.3923/jas.2010.1435.1441

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  • Title:
    Adhesion and Bonding Characteristics of Preservative-Treated Bamboo (Gigantochloa scortechinii) Laminates
  • Author: Hanim, A R ; Zaidon, A ; Abood, F ; Anwar, UMK
  • Subjects: Adhesive bonding ; Bamboo ; Bonding strength ; Failure ; Glues ; Laminates ; Strip ; Wood
  • Is Part Of: Journal of applied sciences (Asian Network for Scientific Information), 2010-07, Vol.10 (14), p.1435-1441
  • Description: This study were investigate the adhesion and bonding characteristics of bamboo (Gigantochloa scortechinii) strips and laminates treated with permethrin-based preservative (Light Organic Solvent-Based (LOSP) and Water-Based (WBP)) formulations, Tributyl Tin Oxide (TBTO) and borax. The bomboo culm were cut into strips and treated with those selected chemicals. The bamboo strips were then glued edge to edge to form a bamboo veneers before fabrication of the three ply perpendicular bamboo laminates. In this research the properties studied include wettability, buffering capacity, shear strength and wood failure. Untreated strips and bamboo strips which were boiled in water (100 degree C) were also tested for comparison purposes. Those strips treated with LOSP had higher contact angle (3 degree -9 degree ) which reflects that the surface of the treated strips is less readily wetted. Whereas, borax-treated strips had the highest wetting rate where the value is 1 degree . In buffering capacity study shows that treated bamboo was more stable towards alkali. This is suggested that a buffering agent (Calcium carbonate) is required in the adhesive formulation to ensure sufficient curing of the resin. Preservative treatments on bamboo strips significantly affect shear strength and wood failure of the laminates. Shear and wood failure of the laminated bamboo were significantly reduced especially in the wet condition where> the range is 0 N mm super(-2) (WBP treated) to 0.65 N mm super(-2) (boiled-treated) when compared to untreated bamboo laminates (0.79 N mm super(-2)). While, in dry condition test, the glue bond strength of were range from 0.64 N mm super(-2) (WBP-treated) to 2.04 N mm super(-2) (borax-treated). All chemicals and non-chemical treatment generally affects the glue strength of the bamboo laminates especially in wet condition test. In dry condition test there are slightly reductions in glue bond strength but the quality still meets the requirement in the British Standard Part 8: Specification for Bond Performance of Veneer Plywood.
  • Language: English
  • Identifier: ISSN: 1812-5654
    EISSN: 1812-5662
    DOI: 10.3923/jas.2010.1435.1441
  • Source: Geneva Foundation Free Medical Journals at publisher websites
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